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Segment Reporting (Tables)

9 Months Ended

Sep. 30, 2025

Segment Reporting [Abstract]

Segment Reporting

The following table analyzes sales and other financial information by the Company’s reportable segments:

		Three Months Ended September 30,								Nine Months Ended September 30,
(in millions)		2025				2024				2025				2024
Net Sales:
Personal Care		$	103.9			$	98.6			$	309.4			$	291.1
Home Care			27.9				26.5				80.2				77.2
Other			39.0				38.5				123.4				116.2
Performance Chemicals			170.8				163.6				513.0				484.5
Refinery and Performance			120.2				120.9				362.4				375.1
Other			51.8				44.9				145.0				134.2
Fuel Specialties			172.0				165.8				507.4				509.3
Oilfield Services			99.1				114.0				302.0				384.8
		$	441.9			$	443.4			$	1,322.4			$	1,378.6
Gross profit:
Performance Chemicals		$	25.8			$	36.1			$	91.6			$	110.0
Fuel Specialties			61.2				55.7				184.9				173.9
Oilfield Services			29.7				32.3				88.5				122.8
Total gross profit		$	116.7			$	124.1			$	365.0			$	406.7
Operating income/(loss):
Performance Chemicals		$	9.2			$	20.0			$	43.3			$	62.3
Fuel Specialties			35.3				30.9				107.6				94.7
Oilfield Services			4.8				7.1				15.1				31.3
Corporate costs			(18.2	)			(11.8	)			(56.8	)			(49.6	)
Adjustment to fair value of contingent consideration			17.7				(0.7	)			16.2				(2.1	)
Restructuring charge			(0.9	)			—				(0.9	)			—
Impairment of property, plant and equipment			(22.9	)			—				(22.9	)			—
Impairment of intangible assets			(19.1	)			—				(19.1	)			—
Profit on disposal of property, plant and equipment			—				0.1				0.2				0.2
Total operating income		$	5.9			$	45.6			$	82.7			$	136.8

Summary of Segment Reporting related to Cost of Goods Sold

The following table analyzes cost of goods sold by the Company’s reportable segments:

		Three Months Ended September 30,								Nine Months Ended September 30,
(in millions)		2025				2024				2025				2024
Performance Chemicals		$	145.0			$	127.5			$	421.4			$	374.5
Fuel Specialties			110.8				110.1				322.5				335.4
Oilfield Services			69.4				81.7				213.5				262.0
Total cost of goods sold		$	325.2			$	319.3			$	957.4			$	971.9

Summary of Segment Reporting related to Selling, General and Administrative Expense and Research and Development Expense

The following table analyzes selling, general and administrative expenses and research and development expenses by the Company’s reportable segments:

		Three Months Ended September 30,								Nine Months Ended September 30,
(in millions)		2025				2024				2025				2024
Performance Chemicals		$	16.6			$	16.1			$	48.3			$	47.7
Fuel Specialties			25.9				24.8				77.3				79.2
Oilfield Services			24.9				25.2				73.4				91.5
Corporate			18.2				11.8				56.8				49.6
Total selling, general and administrative expenses and research and development expenses		$	85.6			$	77.9			$	255.8			$	268.0

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- Definition

Schedule of segment reporting information related to selling, general and administrative expense and research and development expense, by segment.

+ References

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Schedule of segment reporting information relates to cost of goods sold, by segment.

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- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 25
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-25

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-22

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-30

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